1//==------ UpdateCompilerUsed.h - LLVM Link Time Optimizer Utility --------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file declares a helper class to update llvm.compiler_used metadata.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_LTO_UPDATE_COMPILER_USED_H
15#define LLVM_LTO_UPDATE_COMPILER_USED_H
16
17#include "llvm/ADT/StringSet.h"
18#include "llvm/IR/GlobalValue.h"
19
20namespace llvm {
21class Module;
22class TargetMachine;
23
24/// Find all globals in \p TheModule that are referenced in
25/// \p AsmUndefinedRefs, as well as the user-supplied functions definitions that
26/// are also libcalls, and create or update the magic "llvm.compiler_used"
27/// global in \p TheModule.
28void updateCompilerUsed(Module &TheModule, const TargetMachine &TM,
29                        const StringSet<> &AsmUndefinedRefs);
30}
31
32#endif // LLVM_LTO_UPDATE_COMPILER_USED_H
33